Then they can be further recrystallized to biphenyl with a purity of over 99.9 %.进一步用溶剂结晶法去除了联苯中的杂质,获得99.9%以上联苯.Methods A new synthesis route for felbinac preparation was studied with biphenyl under ultrasound.方法:以联苯为原料,...
Silent Night is my favourite carol.《平安夜》是我最喜欢的圣诞颂歌。Carol managed a few proper snivels for the sake of appearance.为了做做样子，卡萝尔适时地抽了几下鼻子。Carol Garcia is a salesperson.卡罗尔,加西亚是一名售货员.Carol's hair had a slightly frizzy per...
在他的凝视之下罗赛藜软化了.Rosalie weakened under his gaze.最成功的是白藜芦醇, 它对健康的好处已经广为人知.The champion was resveratrol, already well known for its possible health benefits.白藜芦醇可根据不同的细胞信号水平发挥作用.Resveratrol may act on different levels of cel...
目的比较快薇乔缝线和铬制肠线加丝线在会阴切口缝合后的临床效果.Objective To compare the clinical effect between Vicryl Rapide and catgutCat - gut and thread after episiorrhaphy.生活在繁密的草原的牛能生产更好的天然肠线 么 ?Do cows raised in climates that produce lush pastur...